Who Pays the Most for Private Health Care as of GDP?

Based on a comparison of 169 countries in 2014,
Sierra Leone ranked the highest in private health expenditure as a percentage of GDP with 9.21%
followed by USA and Liberia.
On the other end of the scale was
East Timor with 0.142%,
Brunei with 0.163%
and Seychelles with 0.263%.

Average private health expenditure as a percentage of GDP reached
3.94% in 2014 in the World according to World Bank / WHO. This is 0.816 %
more than in the previous year and
-2.70 %
less than 10 years ago.

Historically, average private health expenditure as a percentage of GDP reached an all time high of 4.15% in 2003 and an all time low of 3.22% in 1995.
The average annual growth amounted to 1.06 % since 1960.